Monitoring and troubleshooting of local and wide area network (LAN/WAN) routers, managing switches including VLANs & VTP.
Managing server (MS Windows/Linux) hardware and software, set up and management of Windows 2008 Server, set up of Symantec DLO backup exec on user PCs, Server virtualization, etc.
Securing enterprise System and Network infrastructure, Set up of Site-to-site and remote access VPNs, set up of firewall zones, installation of Operating Systems and software security patches, managing antivirus, HIPS, and access points, analyzing security logs, etc.
Set up and management of Linux servers for asterisk VOIP suit, Squid/Squidguard access control and proxy/content filter Zenoss Core network and performance management software.
Serves as second tier user support.
LAN & WAN Networking (TCP/IP) for Windows, Linux and Cisco devices, handled Windows 2003 Server configuration and Administration, managed Active Directory (Windows 2003 server) and supported Cisco Unified Call Manager VOIP users.
Supported Windows users, Oracle ERP users, Open VPN configuration and management, certificate renewal, set up Squidguard/Squidproxy for end user proxy, access control and content filtering.
Compiled System/Network performance report and Network management using Linux Zenoss Core, quarterly routine system and network preventive maintenance execution.
Linux gateway router configuration and management, Linux administration, secure shell scripting, Linux Iptables firewall management using Shorewall, bandwidth traffic shaping configuration using Linux firewall.
Embedded mini PC board assemblage to function as Linux router, Printer troubleshooting and repairs (Desktop and Laptop PCs, Power Supplies, Printers (LaserJet, Deskjet and Dot matrix) etc.
Configured Microwave line of sight communication links on the Linux/UNIX platform with MW radios running on the Linux shell/platform, troubleshot weak MW links.
Network and IP planning, design and optimization, Inter-vendor integration.
Configured Web Enabled devices e.g. Access points, bridges, repeaters and routers, made use of GPS Antenna and Compass in WAN radio alignment.
Managed technical activities in the Engineering Dept., planned shift schedules for technicians, supervised general technical activities.